last year they could have said it's all about apple. i think we need to broaden the horizons if this is going to be sustainable. >> let me go there and take you to a live shot of the white house. the white house is lowering their flag to half staff. flags are to be lowered at all public buildings until sunset on april 20th. there are at least three dead. more than 150 injured. this is echo of what we saw in the wake of 9/11. a lot more "squawk on the street" back in a moment. [ male announcer ] you are a business pro. governor of getting it done. you know how to dance... with a deadline. and you...rent from national. because only national lets you choose any car in the aisle... and go. you can even take a full-size or above, and still pay the mid-size price. this is awesome. [ male announcer ] yes, it is, business pro. yes, it is. go national. go like a pro. >>> let's hop over to the cme. rick santelli is talking gold. >> you know, a couple of months ago we were talking about the notion of gold become securitized. it was much more of a